Exponential Functions Test

What is the horizontal asymptote for the graph of

f(x) = -2(3)^x+4 - 8 ?

• y=8

• y=-8

• x=-8

• x=-4

Using the parent function y=3^x what would the graph of y=3^x+1 look like?

• Horizontal translation left one unit

• Horizontal translation right one unit

• Vertical translation up one unit

• Vertical translation down one unit

Using the parent function y = 3^x what would the graph of y = 3^x + 1 look like?

• Horizontal Shift to the right 1 unit

• Horizontal shift to the left one unit

• Vertical shift one unit up

• Vertical shift one unit down

Classify

f(x) = -3(1.75)^x-4 + 6

• Exponential Growth

• Exponential Decay

Classify

f(x) = 4/5(.8)^x - 9

• Exponential Growth

• Exponential Decay

Which of the following functions is most likely represented by this graph?

• f(x)=2(1.2)^x

• f(x)=2(0.75)^x

• f(x)=6(0.75)^x

• f(x)= −2(0.75)^x

What is the asymptote of y = 2^x - 3

• y = 0

• y = -3

• x = 0

• x = -3

Tags

CCSS.HSF-IF.C.7D

A car is purchased for $28,000. The value of the car depreciates 15% per year. What is the approximate value of the car after 5 years?

• $12,424

• $10,560

• $5,600

• $56,318

The amount of bacteria in a dish can be described with the equation y = 450(.42)^x

How much bacteria will there be after 6 hours?

• 450

• 1.843

• 2.470

Write an equation that models the following situation:
Samantha's hair was known to grow very rapidly. It began at a length of 6 in and grew at a rate of 14% a week.

• y=6(0.14)^x
• y=6(1+14)^x
• y=6(1.14)^x
• y=6(0.86)^x

Tags

CCSS.HSF.LE.A.2